28785276

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61507}}^1$

素因数の和:61530

約数の個数: 36

約数和(自身を含む): 78361192

約数和(自身を除く): 49575916

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 61507, 123014, 184521, 246028, 369042, 553563, 738084, 799591, 1107126, 1599182, 2214252, 2398773, 3198364, 4797546, 7196319, 9595092, 14392638, 28785276]

約数ペア:

[(1, 28785276), (2, 14392638), (3, 9595092), (4, 7196319), (6, 4797546), (9, 3198364), (12, 2398773), (13, 2214252), (18, 1599182), (26, 1107126), (36, 799591), (39, 738084), (52, 553563), (78, 369042), (117, 246028), (156, 184521), (234, 123014), (468, 61507)]